(January 17, 2015 at 8:26 am)Alex K Wrote: P.s. I think your confusion about my talk about friction maybe came from the fact that when you hear matter, you first think of a solid, not a dilute gas. By friction I just meant a shorthand for losing energy during movement because of inelastic processes. Maybe that's not such a great word choice, but I used it for lack.of a better one.
KY Jelly takes care of friction.